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__init__.py
1
 
# Copyright (C) 2006 Canonical Ltd
 
1
# Copyright (C) 2006-2009 Canonical Ltd
 
2
 
2
3
# Authors: Robert Collins <robert.collins@canonical.com>
 
4
#          Jelmer Vernooij <jelmer@samba.org>
 
5
#          John Carr <john.carr@unrouted.co.uk>
3
6
#
4
7
# This program is free software; you can redistribute it and/or modify
5
8
# it under the terms of the GNU General Public License as published by
18
21
 
19
22
"""A GIT branch and repository format implementation for bzr."""
20
23
 
21
 
try:
22
 
    import dulwich as git
23
 
except ImportError:
24
 
    import os, sys
25
 
    sys.path.insert(0, os.path.join(os.path.dirname(__file__), "dulwich"))
26
 
    import dulwich as git
27
 
from bzrlib import bzrdir
28
 
from bzrlib.foreign import ForeignVcs, VcsMappingRegistry, foreign_vcs_registry
29
 
from bzrlib.plugins.git.dir import LocalGitBzrDirFormat, RemoteGitBzrDirFormat
30
 
from bzrlib.transport import register_lazy_transport
31
 
 
32
 
bzrdir.format_registry.register(
33
 
    'git', LocalGitBzrDirFormat,
34
 
    help='GIT repository.', 
35
 
    native=False, experimental=True,
36
 
    )
37
 
 
38
 
bzrdir.BzrDirFormat.register_control_format(LocalGitBzrDirFormat)
39
 
bzrdir.BzrDirFormat.register_control_format(RemoteGitBzrDirFormat)
 
24
import os
 
25
import sys
 
26
 
 
27
import bzrlib
 
28
import bzrlib.api
 
29
 
 
30
from info import (
 
31
    bzr_compatible_versions,
 
32
    bzr_plugin_version as version_info,
 
33
    dulwich_minimum_version,
 
34
    )
 
35
 
 
36
if version_info[3] == 'final':
 
37
    version_string = '%d.%d.%d' % version_info[:3]
 
38
else:
 
39
    version_string = '%d.%d.%d%s%d' % version_info
 
40
__version__ = version_string
 
41
 
 
42
bzrlib.api.require_any_api(bzrlib, bzr_compatible_versions)
 
43
 
 
44
 
 
45
from bzrlib import (
 
46
    errors as bzr_errors,
 
47
    )
 
48
 
 
49
from bzrlib.controldir import (
 
50
    ControlDirFormat,
 
51
    Prober,
 
52
    format_registry,
 
53
    network_format_registry as controldir_network_format_registry,
 
54
    )
 
55
 
 
56
from bzrlib.foreign import (
 
57
    foreign_vcs_registry,
 
58
    )
 
59
from bzrlib.help_topics import (
 
60
    topic_registry,
 
61
    )
 
62
from bzrlib.transport import (
 
63
    register_lazy_transport,
 
64
    register_transport_proto,
 
65
    )
 
66
from bzrlib.commands import (
 
67
    plugin_cmds,
 
68
    )
 
69
from bzrlib.send import (
 
70
    format_registry as send_format_registry,
 
71
    )
 
72
 
 
73
 
 
74
if getattr(sys, "frozen", None):
 
75
    # allow import additional libs from ./_lib for bzr.exe only
 
76
    sys.path.append(os.path.normpath(
 
77
        os.path.join(os.path.dirname(__file__), '_lib')))
 
78
 
 
79
 
 
80
def import_dulwich():
 
81
    try:
 
82
        from dulwich import __version__ as dulwich_version
 
83
    except ImportError:
 
84
        raise bzr_errors.DependencyNotPresent("dulwich",
 
85
            "bzr-git: Please install dulwich, https://launchpad.net/dulwich")
 
86
    else:
 
87
        if dulwich_version < dulwich_minimum_version:
 
88
            raise bzr_errors.DependencyNotPresent("dulwich",
 
89
                "bzr-git: Dulwich is too old; at least %d.%d.%d is required" %
 
90
                    dulwich_minimum_version)
 
91
 
 
92
 
 
93
_versions_checked = False
 
94
def lazy_check_versions():
 
95
    global _versions_checked
 
96
    if _versions_checked:
 
97
        return
 
98
    import_dulwich()
 
99
    _versions_checked = True
 
100
 
 
101
format_registry.register_lazy('git',
 
102
    "bzrlib.plugins.git.dir", "LocalGitControlDirFormat",
 
103
    help='GIT repository.', native=False, experimental=False,
 
104
    )
 
105
 
 
106
format_registry.register_lazy('git-bare',
 
107
    "bzrlib.plugins.git.dir", "BareLocalGitControlDirFormat",
 
108
    help='Bare GIT repository (no working tree).', native=False,
 
109
    experimental=False,
 
110
    )
 
111
 
 
112
from bzrlib.revisionspec import revspec_registry
 
113
revspec_registry.register_lazy("git:", "bzrlib.plugins.git.revspec",
 
114
    "RevisionSpec_git")
 
115
 
 
116
from bzrlib.revisionspec import dwim_revspecs, RevisionSpec_dwim
 
117
if getattr(RevisionSpec_dwim, "append_possible_lazy_revspec", None):
 
118
    RevisionSpec_dwim.append_possible_lazy_revspec(
 
119
        "bzrlib.plugins.git.revspec", "RevisionSpec_git")
 
120
else: # bzr < 2.4
 
121
    from bzrlib.plugins.git.revspec import RevisionSpec_git
 
122
    dwim_revspecs.append(RevisionSpec_git)
 
123
 
 
124
 
 
125
class LocalGitProber(Prober):
 
126
 
 
127
    def probe_transport(self, transport):
 
128
        try:
 
129
            if not transport.has_any(['info/refs', '.git/branches',
 
130
                                      'branches']):
 
131
                raise bzr_errors.NotBranchError(path=transport.base)
 
132
        except bzr_errors.NoSuchFile:
 
133
            raise bzr_errors.NotBranchError(path=transport.base)
 
134
        from bzrlib import urlutils
 
135
        if urlutils.split(transport.base)[1] == ".git":
 
136
            raise bzr_errors.NotBranchError(path=transport.base)
 
137
        lazy_check_versions()
 
138
        import dulwich
 
139
        from bzrlib.plugins.git.transportgit import TransportRepo
 
140
        try:
 
141
            gitrepo = TransportRepo(transport)
 
142
        except dulwich.errors.NotGitRepository, e:
 
143
            raise bzr_errors.NotBranchError(path=transport.base)
 
144
        else:
 
145
            from bzrlib.plugins.git.dir import (
 
146
                BareLocalGitControlDirFormat,
 
147
                LocalGitControlDirFormat,
 
148
                )
 
149
            if gitrepo.bare:
 
150
                return BareLocalGitControlDirFormat()
 
151
            else:
 
152
                return LocalGitControlDirFormat()
 
153
 
 
154
    @classmethod
 
155
    def known_formats(cls):
 
156
        from bzrlib.plugins.git.dir import (
 
157
            BareLocalGitControlDirFormat,
 
158
            LocalGitControlDirFormat,
 
159
            )
 
160
        return set([BareLocalGitControlDirFormat(), LocalGitControlDirFormat()])
 
161
 
 
162
 
 
163
class RemoteGitProber(Prober):
 
164
 
 
165
    def probe_transport(self, transport):
 
166
        url = transport.base
 
167
        if url.startswith('readonly+'):
 
168
            url = url[len('readonly+'):]
 
169
        if (not url.startswith("git://") and not url.startswith("git+")):
 
170
            raise bzr_errors.NotBranchError(transport.base)
 
171
        # little ugly, but works
 
172
        from bzrlib.plugins.git.remote import (
 
173
            GitSmartTransport,
 
174
            RemoteGitControlDirFormat,
 
175
            )
 
176
        if not isinstance(transport, GitSmartTransport):
 
177
            raise bzr_errors.NotBranchError(transport.base)
 
178
        return RemoteGitControlDirFormat()
 
179
 
 
180
    @classmethod
 
181
    def known_formats(cls):
 
182
        from bzrlib.plugins.git.remote import RemoteGitControlDirFormat
 
183
        return set([RemoteGitControlDirFormat()])
 
184
 
 
185
 
 
186
if not getattr(Prober, "known_formats", None): # bzr < 2.4
 
187
    from bzrlib.plugins.git.dir import (
 
188
        LocalGitControlDirFormat, BareLocalGitControlDirFormat,
 
189
        )
 
190
    from bzrlib.plugins.git.remote import RemoteGitControlDirFormat
 
191
    ControlDirFormat.register_format(LocalGitControlDirFormat())
 
192
    ControlDirFormat.register_format(BareLocalGitControlDirFormat())
 
193
    ControlDirFormat.register_format(RemoteGitControlDirFormat())
 
194
    # Provide RevisionTree.get_file_revision, so various parts of bzr-svn
 
195
    # can avoid inventories.
 
196
    from bzrlib.revisiontree import RevisionTree
 
197
    def get_file_revision(tree, file_id, path=None):
 
198
        return tree.inventory[file_id].revision
 
199
    RevisionTree.get_file_revision = get_file_revision
 
200
 
 
201
ControlDirFormat.register_prober(LocalGitProber)
 
202
ControlDirFormat.register_prober(RemoteGitProber)
 
203
 
 
204
register_transport_proto('git://',
 
205
        help="Access using the Git smart server protocol.")
 
206
register_transport_proto('git+ssh://',
 
207
        help="Access using the Git smart server protocol over SSH.")
40
208
 
41
209
register_lazy_transport("git://", 'bzrlib.plugins.git.remote',
42
 
                        'GitSmartTransport')
43
 
 
44
 
 
45
 
class ForeignGit(ForeignVcs):
46
 
    """Foreign Git."""
47
 
 
48
 
 
49
 
git_mapping_registry = VcsMappingRegistry()
50
 
git_mapping_registry.register_lazy('git-experimental', "bzrlib.plugins.git.mapping",
51
 
                                   "BzrGitMappingExperimental")
52
 
foreign_vcs_registry.register("git", ForeignGit(git_mapping_registry), 
53
 
                                      "Stupid content tracker")
54
 
 
 
210
                        'TCPGitSmartTransport')
 
211
register_lazy_transport("git+ssh://", 'bzrlib.plugins.git.remote',
 
212
                        'SSHGitSmartTransport')
 
213
 
 
214
foreign_vcs_registry.register_lazy("git",
 
215
    "bzrlib.plugins.git.mapping", "foreign_git", "Stupid content tracker")
 
216
 
 
217
plugin_cmds.register_lazy("cmd_git_import", [], "bzrlib.plugins.git.commands")
 
218
plugin_cmds.register_lazy("cmd_git_object", ["git-objects", "git-cat"],
 
219
    "bzrlib.plugins.git.commands")
 
220
plugin_cmds.register_lazy("cmd_git_refs", [], "bzrlib.plugins.git.commands")
 
221
plugin_cmds.register_lazy("cmd_git_apply", [], "bzrlib.plugins.git.commands")
 
222
 
 
223
def update_stanza(rev, stanza):
 
224
    mapping = getattr(rev, "mapping", None)
 
225
    if mapping is not None and mapping.revid_prefix.startswith("git-"):
 
226
        stanza.add("git-commit", rev.foreign_revid)
 
227
 
 
228
try:
 
229
    from bzrlib.hooks import install_lazy_named_hook
 
230
except ImportError: # Compatibility with bzr < 2.4
 
231
    from bzrlib.version_info_formats.format_rio import (
 
232
        RioVersionInfoBuilder,
 
233
        )
 
234
    RioVersionInfoBuilder.hooks.install_named_hook('revision', update_stanza,
 
235
        "git commits")
 
236
else:
 
237
    install_lazy_named_hook("bzrlib.version_info_formats.format_rio",
 
238
        "RioVersionInfoBuilder.hooks", "revision", update_stanza,
 
239
        "git commits")
 
240
 
 
241
 
 
242
from bzrlib.transport import transport_server_registry
 
243
transport_server_registry.register_lazy('git',
 
244
    'bzrlib.plugins.git.server',
 
245
    'serve_git',
 
246
    'Git Smart server protocol over TCP. (default port: 9418)')
 
247
 
 
248
 
 
249
from bzrlib.repository import (
 
250
    format_registry as repository_format_registry,
 
251
    network_format_registry as repository_network_format_registry,
 
252
    )
 
253
repository_network_format_registry.register_lazy('git',
 
254
    'bzrlib.plugins.git.repository', 'GitRepositoryFormat')
 
255
 
 
256
try:
 
257
    register_extra_lazy_repository_format = getattr(repository_format_registry,
 
258
        "register_extra_lazy")
 
259
except AttributeError: # bzr < 2.4
 
260
    pass
 
261
else:
 
262
    register_extra_lazy_repository_format('bzrlib.plugins.git.repository',
 
263
        'GitRepositoryFormat')
 
264
 
 
265
from bzrlib.branch import (
 
266
    network_format_registry as branch_network_format_registry,
 
267
    )
 
268
branch_network_format_registry.register_lazy('git',
 
269
    'bzrlib.plugins.git.branch', 'GitBranchFormat')
 
270
 
 
271
try:
 
272
    from bzrlib.branch import (
 
273
        format_registry as branch_format_registry,
 
274
        )
 
275
except ImportError: # bzr < 2.4
 
276
    pass
 
277
else:
 
278
    branch_format_registry.register_extra_lazy(
 
279
        'bzrlib.plugins.git.branch',
 
280
        'GitBranchFormat',
 
281
        )
 
282
 
 
283
try:
 
284
    from bzrlib.workingtree import (
 
285
        format_registry as workingtree_format_registry,
 
286
        )
 
287
except ImportError: # bzr < 2.4
 
288
    pass
 
289
else:
 
290
    workingtree_format_registry.register_extra_lazy(
 
291
        'bzrlib.plugins.git.workingtree',
 
292
        'GitWorkingTreeFormat',
 
293
        )
 
294
 
 
295
controldir_network_format_registry.register_lazy('git',
 
296
    "bzrlib.plugins.git.dir", "GitControlDirFormat")
 
297
 
 
298
send_format_registry.register_lazy('git', 'bzrlib.plugins.git.send',
 
299
                                   'send_git', 'Git am-style diff format')
 
300
 
 
301
topic_registry.register_lazy('git', 'bzrlib.plugins.git.help', 'help_git',
 
302
    'Using Bazaar with Git')
 
303
 
 
304
from bzrlib.diff import format_registry as diff_format_registry
 
305
diff_format_registry.register_lazy('git', 'bzrlib.plugins.git.send',
 
306
    'GitDiffTree', 'Git am-style diff format')
55
307
 
56
308
def test_suite():
57
309
    from bzrlib.plugins.git import tests